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2270906 = 211109947
BaseRepresentation
bin1000101010011010111010
311021101002122
420222122322
51040132111
6120401242
725205501
oct10523272
94241078
102270906
111311190
12916222
13616841
14431838
152eccdb
hex22a6ba

2270906 has 16 divisors (see below), whose sum is σ = 3754080. Its totient is φ = 1021680.

The previous prime is 2270897. The next prime is 2270921. The reversal of 2270906 is 6090722.

2270906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1925 + ... + 2871.

It is an arithmetic number, because the mean of its divisors is an integer number (234630).

22270906 is an apocalyptic number.

2270906 is the 806-th centered heptagonal number.

2270906 is a deficient number, since it is larger than the sum of its proper divisors (1483174).

2270906 is a wasteful number, since it uses less digits than its factorization.

2270906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2270906 is about 1506.9525539976. The cubic root of 2270906 is about 131.4416652496.

The spelling of 2270906 in words is "two million, two hundred seventy thousand, nine hundred six".

Divisors: 1 2 11 22 109 218 947 1199 1894 2398 10417 20834 103223 206446 1135453 2270906